Upcoming Drinking Water-Related Regulations

Regulations in process or planned

Other active projects related to development or review of regulations

  • Perchlorate MCL Review: The review of the perchlorate MCL has been completed to determine whether it should be revised in response to the 2015 public health goal. For a summary of the review and more about perchlorate, follow this link.
  • Unregulated Contaminants for which Monitoring is Required: DDW staff are gathering information for the development of a new unregulated contaminant monitoring regulation (UCMR) to gather comprehensive information on the scope and concentration of contaminants of concern prior to proposing drinking water standards for those contaminants.
  • Direct Potable Reuse: The report to the Legislature regarding the feasibility of developing Direct Potable Reuse (DPR) criteria was submitted in December 2016. Work continues on DPR.  Follow this link for more information.
  • MCL Review: To meet requirements of the Health and Safety Code Section 116365(g), each year the State Water Board identifies the MCLs it intends to review. Follow this link for a summary of the most recent review.

Other Regulations of Interest

Upcoming Federal Rules

Pertinent Links

Additional Information

For more information, contact Melissa Hall via email at: Melissa.Hall@waterboards.ca.gov.

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  (Page last updated 11/9/18)